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  • 參數(shù)資料
    型號(hào): MC8640DVU1000HE
    廠商: Freescale Semiconductor
    文件頁(yè)數(shù): 51/130頁(yè)
    文件大小: 0K
    描述: IC MPU DUAL CORE E600 1023FCCBGA
    標(biāo)準(zhǔn)包裝: 1
    系列: MPC86xx
    處理器類型: 32-位 MPC86xx PowerPC
    速度: 1.0GHz
    電壓: 1.05V
    安裝類型: 表面貼裝
    封裝/外殼: 1023-BCBGA,F(xiàn)CCBGA
    供應(yīng)商設(shè)備封裝: 1023-FCCBGA(33x33)
    包裝: 托盤(pán)
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    MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 3
    Freescale Semiconductor
    27
    Ethernet: Enhanced Three-Speed Ethernet (eTSEC), MII Management
    8.2
    FIFO, GMII, MII, TBI, RGMII, RMII, and RTBI AC Timing
    Specifications
    The AC timing specifications for FIFO, GMII, MII, TBI, RGMII, RMII and RTBI are presented in this
    section.
    8.2.1
    FIFO AC Specifications
    The basis for the AC specifications for the eTSEC’s FIFO modes is the double data rate RGMII and RTBI
    specifications because they have similar performance and are described in a source-synchronous fashion
    like FIFO modes. However, the FIFO interface provides deliberate skew between the transmitted data and
    source clock in GMII fashion.
    When the eTSEC is configured for FIFO modes, all clocks are supplied from external sources to the
    relevant eTSEC interface. That is, the transmit clock must be applied to the eTSECn’s TSECn_TX_CLK,
    while the receive clock must be applied to pin TSECn_RX_CLK. The eTSEC internally uses the transmit
    Input low current
    (VIN = GND)
    IIL
    –600
    μA
    3
    Notes:
    1. LVDD supports eTSECs 1 and 2
    2. TVDD supports eTSECs 3 and 4
    3. The symbol VIN, in this case, represents the LVIN and TVIN symbols referenced in Table 1 and Table 2
    Table 25. GMII, RGMII, RTBI, TBI and FIFO DC Electrical Characteristics
    Parameter
    Symbol
    Min
    Max
    Unit
    Notes
    Supply voltage 2.5 V
    LVDD/TVDD
    2.375
    2.625
    V
    1, 2
    1 LV
    DD supports eTSECs 1 and 2.
    2 TV
    DD supports eTSECs 3 and 4.
    Output high voltage
    (LVDD/TVDD = Min, IOH = –1.0 mA)
    VOH
    2.00
    V
    Output low voltage
    (LVDD/TVDD = Min, IOL = 1.0 mA)
    VOL
    —0.40
    V
    Input high voltage
    VIH
    1.70
    V
    Input low voltage
    VIL
    —0.90
    V
    Input high current
    (VIN = LVDD, VIN = TVDD)
    IIH
    —10
    μA
    1, 2, 3
    3 Note that the symbol V
    IN, in this case, represents the LVIN and TVIN symbols referenced in Table 1 and Table 2.
    Input low current
    (VIN = GND)
    IIL
    –15
    μA
    Note:
    Table 24. GMII, MII, RMII, TBI and FIFO DC Electrical Characteristics (continued)
    Parameter
    Symbol
    Min
    Max
    Unit
    Notes
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